Investigation on the active phase of CoMo catalyst for selective HDS by low temperature in situ FT-I

期刊名字：中國化學(xué)快報（英文版）
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論文作者：Qiherima，Hui Yuan，Hui Feng Li，
作者單位：The Institute for Chemical Physics, Department of Pharmacy,Research Institute of Petroleum Processing
更新時間：2022-12-12
下載次數(shù)：次

論文簡介

The CoMo/Al2O3 catalysts with different metal loading were studied by low temperature in situ FT-IR using CO as probe molecule which appears to be a powerful method by giving rise to signals specific for unpromoted and promoted Mo sites. The result revealed that the increase of C0M0S phase on the catalyst surface improves the HDS activity and selectivity. The ratio of active site number of CoMoS and MoS2 correlates linearly with HDS selectivity, which provides an effective tool for developing industrial selective HDS catalysts.

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